Clindamycin/tretinoin is a topical gel used in the treatment of acne. The two active ingredients are the antibiotic clindamycin phosphate (1.2%) and tretinoin (0.025%), a retinoid.
The compounds of every Wikipedia article carrying a Chembox or a Drugbox, refreshed daily, with the values their infoboxes give. The pages need JavaScript; the API does not.